By using Facebook Discount Magento extension you will be able to offer discounts to your customers when they like your FB page. This will make you able to display discount banner on checkout page where customers can get easy approach to your offer. When a user will become a member of your FB page then you can easily verify their facebook profile as well.
This product discount offer will increase you store usability and authority. This Magento Facebook Discount extension enables you create easy and simple promotional shopping rules to manage backend setting.